Science is definitely interested in making distinctions. Science begins with the observer. Not all observers are given the same evidence and tools for observation. Science is not like a world-wide church where only those who have the same experience are counted as "scientists."
You are right about science not being like a world-wide church, however. Once can belong to any church, or even none at all, and still be a scientist. On the other hand, your idea of science seems to encompass the concept that only certain members of certain churches are capable of detecting ... something ... and that's science. It's not. Science can understand and use concepts and techniques whether they originated in the United States, India, or Japan (to name just a few of the possibilities). Your idea appears to imply that this isn't really the case or shouldn't be the case. So a vedic scientist could use vedic concepts (which, if attempted by a Baptist, would be useless), and a Dutch Reformed scientist would have at his disposal ideas and concepts that would work only for someone who is Dutch Reformed.
You confuse religion with science.